Mahmoud, N. F., E. F. A.-E. Moneim, H. F. El-Sayed, and D. S. Said. “Knowledge and Attitudes of Pregnant Women Regarding Folic Acid Supplementation”. International Journal of Health Sciences, vol. 6, no. S8, Oct. 2022, pp. 5431-45, doi:10.53730/ijhs.v6nS8.13472.